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-   -   Some Somewhat Easier n^i Sequences Available for Termination (https://www.mersenneforum.org/showthread.php?t=27659)

firejuggler 2022-04-07 15:55

439^55 terminate as a P7
52^94 terminate as a P17


Not by me, BTW
taking 211^71

richs 2022-04-08 05:12

10^148 finally terminated after losing the 3.

EdH 2022-04-08 12:03

[QUOTE=richs;603508]10^148 finally terminated after losing the 3.[/QUOTE]Yes, I have found some to be pretty slow in their decline. Then, on the other side, there are some, with no small factors, that fall a few digits all at once. I'm running a 168 digit right now that should be pretty deficient, but even across 40 threads, LA alone is taking a while.

firejuggler 2022-04-08 14:32

211^71 terminate as a P5


Big fall from 118 digits to 86 at i12


edit taking 720^40

firejuggler 2022-04-08 15:34

and it end in a P23. I'll take another low hanging fruit in a few hours

firejuggler 2022-04-08 23:47

taking 660^50




edit : and it end in a prp88!


I'm sorry for the spamming.
next time i'll take 3 or 4 in one post

unconnected 2022-04-09 19:32

Taking[CODE]99^65: 130/127
99^67: 134/122
99^69: 138/130
99^77: 130/114[/CODE]

firejuggler 2022-04-09 21:40

taking 91^73

unconnected 2022-04-09 21:59

99^77 quickly ended with P104.

firejuggler 2022-04-10 00:43

and as usual, factmsieve crash on the last step
[code]
-> Running square root step ...
-> msieve150_gpu -s ..\ggnfs_86953847287548242793486845908133249296614592756211423212379954848484723528350642653180365724764413\test.dat -l ..\ggnfs_86953847287548242793486845908133249296614592756211423212379954848484723528350642653180365724764413\test.log -i ..\ggnfs_86953847287548242793486845908133249296614592756211423212379954848484723528350642653180365724764413\test.ini -nf ..\ggnfs_86953847287548242793486845908133249296614592756211423212379954848484723528350642653180365724764413\test.fb -t 3 -nc3
-> Computing 1.64955e+09 scale for this machine...
-> procrels -speedtest> PIPE
Traceback (most recent call last):
File "D:\Download\aliqueit\factmsieve.py", line 2104, in <module>
output_summary(NAME, fact_p, pols_p, poly_p, lats_p)
File "D:\Download\aliqueit\factmsieve.py", line 1789, in output_summary
timescale = float(re.sub('timeunit:\s*', '', tmp[0]))
IndexError: list index out of range
WARNING: gnfs failed to find a factor. This really shouldn't happen.
I'll just run ecm till the end of time or a factor turns up...
Let's hope you don't run out of disk space before either of those.
[/code]

EdH 2022-04-10 02:15

It's been a long time since I ran factmsieve.py and much longer since I ran Windows. Can you try just the command for the Square Root phase in a terminal and get the factors?


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